GRACE HELBIG
Vlogging
Her Daily Grace channel explores all of life's important things, such as how to get over a breakup, save money, and understand Tyra Banks' Twitter feed.
ISSA RAE
Comedy
Her Web series The Misadventures of Awkward Black Girl caught the eye of producer Shonda Rhimes, who is helping Rae develop a TV series called I Hate L.A. Dudes.
CASSEY HO
Health and Fitness
Blogilates (get it?) is the brainchild of this certified fitness instructor, whose quick-hit workout moves can be added to your gym routine or done right at home.
HANNAH HART
Cooking
In My Drunk Kitchen, watch as this home chef goes from sober to tipsy while explaining how to make nachos, s'mores, corn dogs, and other mostly frat-boy foods.
JUSTINE EZARIK
Vlogging
The viral-video comedian's five channels, with topics ranging from gaming to "lifecasting" via her iPhone, make her one of the most-subscribed-to personalities on the Web.
